FeatureAdopt big power LED, long life span and low heatingEasy operation, safety and noise-feeSuper long standby time. A full charge can be used for more than 130 times continuously under 20s working time mode. Low standby power consumption with 90 days standby time.Constant light intensity. The solidification effect is not affected by the consumption of remaining power.Touch-button for more comfortable and convenient to operationLarge capacity li-ion rechargeable battery, automatic shutdown, low battery alarm, replacement battery is easy to get.Specifications- Size: about 35 x 15 x 15 cm / 13.7 x 5.9 x 5.9 inch (L x W x H).- Material: Plastic- Working modes: Strong, Gradually strong, Pulse- Working voltage: AC 110-240V, AC50-60Hz- Wavelength: 420-480nm- Luminous power: 1500mW/cm- Solidification time and depth: 5s/3mm- Optional working time: 5-40 sec- Battery capacity: 2200mA/h, 3.7V- Battery standby time: 90 daysSpecific operation:The first is the strong light mode: the strong light indicator light is on, press the power switch, you can enter the strong light curing mode, the buzzer will sound "di" every 5 seconds, after the running time countdown is completed, It ends automatically.The second is the pulse mode: the pulse indicator light is on, press the power switch, the power indicator light is on, you can enter the pulse curing mode, the buzzer will sound "di" every 5 seconds, and the running time is counted down. After that, it ends automatically.The third is the gradually strong mode: the gradually strong indicator light is on, press the power switch, the power indicator light is on, you can enter the gradually strong curing mode, the buzzer will emit a "di" beep every 5 seconds, and the light source is controlled by The weak light gradually brightens to the strong light, and the running time counts down automatically and ends.Package include1 x UV Dental Wireless LampEU Plug)